Must I reboot after altering / partition in CentOS7

I'm trying to script the resize of VMs.  Is there a way to continue without a reboot of the VM after altering the partition table?

It seems that partprobe doesn't work on CentOS7 as with previous versions, so partprobe then pvresize etc. will not work.


It's a real bugbear of mine the way things are changed to "protect" us form ourselves.
micktAsked:
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Zephyr ICTCloud ArchitectCommented:
I haven't tested this but wouldn't partx be an option?

You create the partition via fdisk for example and add the new partition using partx, for example:

partx -v -a /dev/sdb 

Open in new window


This would add the partition to the system...
micktAuthor Commented:
I tried it but it didn't work.  At least with / partition.
Zephyr ICTCloud ArchitectCommented:
It doesn't work with partitions that already exist and are altered, that's true ... It worked with new partitions in previous versions, can't say for CentOS7 though...
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micktAuthor Commented:
I think behavior changed around CentOs6.
Zephyr ICTCloud ArchitectCommented:
Could be ... But did you try it with a new partition or an existing one, are you able to test it with a new partition? Just out of curiosity ...

In any case, if you want to adjust existing partitions a reboot will most likely be required.

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micktAuthor Commented:
I didn't but I expect it would work.  It is a safety precaution to protect existing partitions.  It's very inconvenient.

I'm hopeful though that there is a workaround out there.
Zephyr ICTCloud ArchitectCommented:
I've been looking for a solution as well, but since they changed it there hasn't been much out there ... If you find a way I'd love to know :)

Anyway, thanks!
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